<template>
  <div id="app">
   <router-view v-if="isRouterAlive" ></router-view>
  </div>
</template>

<script>

import ScrollTop from "@/components/ScrollTop.vue";
export default {
  name: 'app',
   provide() { // 父组件中返回要传给下级的数据
    return {
      reload: this.reload
    }
  },
  data() {
    return {
      isRouterAlive: true
    }
  },
  methods: {
    reload() {
      this.isRouterAlive = false
      this.$nextTick(function() {
        this.isRouterAlive = true
      })
    }
  },
  components: {
    ScrollTop
  },
}
</script>

<style>
#app {
  background-image: url("assets/images/beijing1.png");
  background-size: 1980px 720px;
  background-repeat:no-repeat;
  background-attachment:fixed;
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
</style>
